JSF 中分页的问题

casablancaliu 2009-03-02 09:59:05

如题，在JSF中实现分页，我写的代码如下但是第二页没有数据各位大侠帮下忙



<rich:datascroller id="chartList1" for="snapshot_list" maxPages="6" reRender="chartList2" fastStep="7"/>

				<rich:dataTable

					value="#{chartMgmtControllerBean.charts}" var="chart"

					id="snapshot_list" cellpadding="0" cellspacing="0"

					styleClass="group_item_list_table" rows="7">

					<rich:column styleclass="group_item_row">

						<f:facet name="header">Name</f:facet>

						<h:outputText value="#{chart.name}" />

					</rich:column>

					<rich:column styleclass="group_item_row">

						<f:facet name="header">Action</f:facet>

						<h:commandLink action="#{snapshotSearchController.viewSnapshot}">

						<h:graphicImage value="/images/view_details.gif"

							style='border-width: 0px;' title="View Detail"/>

						<f:param name="snapshotId" value="#{chart.id}" />

						</h:commandLink>

						<rich:spacer width="5" />

						<h:commandLink action="#{snapshotDeleteController.deleteSnapshot}">

						<h:graphicImage value="/images/delete.gif"

							style='border-width: 0px;' title="Delete"/>

						</h:commandLink>

						<rich:spacer width="5" />

						<h:commandLink action="#{snapshotEditController.editSnapshot}">

						<h:graphicImage value="/images/edit_properties.gif"

							style='border-width: 0px;' title="Edit"/>

						</h:commandLink>

					</rich:column>

				</rich:dataTable>

<rich:datascroller id="chartList2" for="snapshot_list" maxPages="10" reRender="chartList1"/>